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United States Patent | 6,266,405 |
Madour ,   et al. | July 24, 2001 |
A system and method for providing portability of internet addressing maintains additional IP addressing information in number portability databases located throughout provider domains in a telecommunications network. This additional IP addressing information, in conjunction with additional Number Portability Request messaging information, permits portability of addresses across telecommunication and data communication networks in a transparent fashion.
Inventors: | Madour; Lila (Kista, SE); Sultana; Shabnam (Kista, SE) |
Assignee: | Telefonaktiebolaget LM Ericsson (publ) (Stockholm, SE) |
Appl. No.: | 221165 |
Filed: | December 28, 1998 |
Current U.S. Class: | 379/220.01; 370/355; 370/356; 370/389; 370/401; 379/900 |
Intern'l Class: | H04M 003/42; H04M 003/54; H04M 007/00; H04L 012/66; H04L 012/28 |
Field of Search: | 379/207,211,219,220,230,900 370/352,353,354,355,356,389,401 |
6021126 | Feb., 2000 | White et al. | 370/352. |
Foreign Patent Documents | |||
0 781 015 | Jun., 1997 | EP | . |
WO97/27717 | Jul., 1997 | WO | . |
97 48050 | Dec., 1997 | WO | . |
WO98/18269 | Apr., 1998 | WO | . |